Athletics at the 2018 Summer Youth Olympics – Girls' 100 metres
The girls' 100 metres competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
Schedule
All times are in local time.Results
Stage 1
| Rank | Heat | Lane | Athlete | Nation | Result | Notes |
| 1 | 4 | 4 | Gabriela Anahí Suárez | 11.97 | QH5 | |
| 2 | 5 | 8 | Julien Alfred | 11.99 | QH5 | |
| 3 | 3 | 8 | Rosemary Chukuma | 12.03 | QH5 | |
| 4 | 4 | 7 | Boglárka Takács | 12.08 | QH5 | |
| 5 | 2 | 5 | Mariam Sire Oularé | 12.09 | QH5 | |
| 6 | 1 | 2 | Pamera Losange | 12.13 | QH5 | |
| 7 | 2 | 3 | Takako Niisaka | 12.22 | QH5 | |
| 8 | 1 | 7 | Mélissa Gutschmidt | 12.27 | QH5 | |
| 9 | 3 | 4 | Vitoria Pereira Jardim | 12.28 | QH4 | |
| 10 | 1 | 9 | Beauty Somuah | 12.32 | QH4 | |
| 11 | 5 | 2 | Shary Vallecilla | 12.34 | QH4 | |
| 12 | 4 | 5 | Johanna Kylmanen | 12.34 | QH4 | |
| 13 | 2 | 6 | Orangy Jiménez | 12.41 | QH4 | |
| 14 | 1 | 8 | Tereza Marková | 12.44 | QH4 | |
| 15 | 3 | 2 | Beatriz Andrade | 12.46 | QH4 | |
| 16 | 5 | 5 | Soniya Jones | 12.48 | QH4 | |
| 17 | 2 | 8 | Anais Valentina Hernández Alegria | 12.48 | QH4 | |
| 18 | 3 | 6 | Fakhriyya Taghizade | 12.50 | QH3 | |
| 19 | 3 | 9 | Alejandra Paulina Ortiz Hernández | 12.52 | QH3 | |
| 20 | 4 | 6 | Donna Ntambue | 12.58 | QH3 | |
| 21 | 5 | 7 | Laura Pintiel | 12.61 | QH3 | |
| 22 | 1 | 5 | Maty Diop | 12.69 | QH3 | |
| 23 | 5 | 4 | Lenka Kovačovičová | 12.70 | QH3 | |
| 24 | 2 | 1 | Adriana Almeida | 12.89 | QH3 | |
| 25 | 2 | 7 | Charlotte Afriat | 13.00 | QH3 | |
| 26 | 4 | 2 | Nora Ķigure | 13.14 | QH3 | |
| 27 | 5 | 6 | Danneika Lyn | 13.15 | QH2 | |
| 28 | 3 | 5 | Edzinadia Ceita | 13.45 | QH2 | |
| 29 | 3 | 7 | Marwa Alajooz | 13.60 | QH2, | |
| 30 | 2 | 2 | Érica Mouwangui | 13.76 | QH2, | |
| 31 | 3 | 3 | Jarencia Jeffers | 13.83 | QH2 | |
| 32 | 2 | 4 | Famata Darame | 14.02 | QH2 | |
| 33 | 1 | 1 | Melanie Ribauw | 14.05 | QH2 | |
| 34 | 1 | 4 | Princess Dunah | 14.37 | QH2 | |
| 35 | 4 | 8 | Youssouf Said Moina Rouzouna | 14.58 | QH1 | |
| 36 | 4 | 3 | Raghad Habib Bu Arish | 14.68 | QH1 | |
| 37 | 3 | 1 | Kanisleen Peter Michael | 14.71 | QH1 | |
| 38 | 4 | 1 | Jein Kiden Clement Morgan | 14.84 | QH1 | |
| 39 | 5 | 3 | Darina McDermott | 14.87 | QH1 | |
| 40 | 5 | 1 | Nazi Yari | 17.43 | QH1 | |
| 41 | 1 | 6 | Aminetou Fall | 18.02 | QH1 | |
| 42 | 1 | 3 | Nuha Ahmed Ali Al-Ahdal | 18.37 | QH1 |
Stage 2
| Rank | Heat | Lane | Athlete | Nation | Result | Notes |
| 1 | 5 | 5 | Rosemary Chukuma | 11.17 | ||
| 2 | 5 | 4 | Julien Alfred | 11.23 | ||
| 3 | 5 | 6 | Gabriela Anahí Suárez | 11.29 | ||
| 4 | 5 | 3 | Boglárka Takács | 11.45 | ||
| 5 | 5 | 8 | Pamera Losange | 11.52 | ||
| 6 | 5 | 7 | Mariam Sire Oularé | 11.57 | ||
| 7 | 5 | 1 | Mélissa Gutschmidt | 11.58 | ||
| 8 | 5 | 2 | Takako Niisaka | 11.65 | ||
| 9 | 4 | 5 | Beauty Somuah | 11.74 | ||
| 10 | 3 | 5 | Alejandra Paulina Ortiz Hernández | 11.82 | ||
| 11 | 4 | 6 | Vitoria Pereira Jardim | 11.86 | ||
| 12 | 4 | 7 | Johanna Kylmanen | 11.91 | ||
| 13 | 4 | 4 | Shary Vallecilla | 11.91 | ||
| 14 | 4 | 9 | Orangy Jiménez | 11.91 | ||
| 15 | 4 | 3 | Beatriz Andrade | 12.06 | ||
| 16 | 4 | 1 | Anais Valentina Hernández Alegria | 12.06 | ||
| 17 | 3 | 7 | Fakhriyya Taghizade | 12.08 | ||
| 18 | 3 | 4 | Donna Ntambue | 12.10 | ||
| 19 | 3 | 6 | Laura Pintiel | 12.12 | ||
| 20 | 4 | 8 | Tereza Marková | 12.13 | ||
| 21 | 4 | 2 | Soniya Jones | 12.14 | ||
| 22 | 3 | 9 | Lenka Kovačovičová | 12.18 | ||
| 23 | 3 | 8 | Maty Diop | 12.25 | ||
| 24 | 3 | 1 | Charlotte Afriat | 12.44 | ||
| 25 | 3 | 3 | Nora Ķigure | 12.46 | ||
| 26 | 2 | 5 | Danneika Lyn | 12.71 | ||
| 27 | 2 | 3 | Edzinadia Ceita | 12.85 | ||
| 28 | 2 | 6 | Marwa Alajooz | 13.18 | ||
| 29 | 2 | 4 | Érica Mouwangui | 13.21 | ||
| 30 | 2 | 8 | Jarencia Jeffers | 13.29 | ||
| 31 | 2 | 1 | Melanie Ribauw | 13.47 | ||
| 32 | 2 | 2 | Princess Dunah | 13.67 | ||
| 33 | 1 | 3 | Raghad Habib Bu Arish | 13.69 | ||
| 34 | 2 | 7 | Famata Darame | 13.81 | ||
| 35 | 1 | 6 | Jein Kiden Clement Morgan | 13.84 | ||
| 36 | 1 | 4 | Kanisleen Peter Michael | 14.09 | ||
| 37 | 1 | 7 | Darina McDermott | 14.19 | ||
| 38 | 1 | 1 | Nuha Ahmed Ali Al-Ahdal | 17.56 | ||
| 3 | 2 | Adriana Almeida | ||||
| 1 | 2 | Aminetou Fall | ||||
| 1 | 5 | Youssouf Said Moina Rouzouna | ||||
| 1 | 8 | Nazi Yari |
Final placing
| Rank | Athlete | Nation | Stage 1 | Stage 2 | Total |
| Rosemary Chukuma | 12.03 | 11.17 | 23.20 | ||
| Julien Alfred | 11.99 | 11.23 | 23.22 | ||
| Gabriela Anahí Suárez | 11.97 | 11.29 | 23.26 | ||
| Boglárka Takács | 12.08 | 11.45 | 23.53 | ||
| Pamera Losange | 12.13 | 11.52 | 23.65 | ||
| Mariam Sire Oularé | 12.09 | 11.57 | 23.66 | ||
| Mélissa Gutschmidt | 12.27 | 11.58 | 23.85 | ||
| Takako Niisaka | 12.22 | 11.65 | 23.87 | ||
| Beauty Somuah | 12.32 | 11.74 | 24.06 | ||
| 10 | Vitoria Pereira Jardim | 12.28 | 11.86 | 24.14 | |
| 11 | Johanna Kylmanen | 12.34 | 11.91 | 24.25 | |
| 11 | Shary Vallecilla | 12.34 | 11.91 | 24.25 | |
| 13 | Orangy Jiménez | 12.41 | 11.91 | 24.32 | |
| 14 | Alejandra Paulina Ortiz Hernández | 12.52 | 11.82 | 24.34 | |
| 15 | Beatriz Andrade | 12.46 | 12.06 | 24.52 | |
| 16 | Anais Valentina Hernández Alegria | 12.48 | 12.06 | 24.54 | |
| 17 | Tereza Marková | 12.44 | 12.13 | 24.57 | |
| 18 | Fakhriyya Taghizade | 12.50 | 12.08 | 24.58 | |
| 19 | Soniya Jones | 12.48 | 12.14 | 24.62 | |
| 20 | Donna Ntambue | 12.58 | 12.10 | 24.68 | |
| 21 | Laura Pintiel | 12.61 | 12.12 | 24.73 | |
| 22 | Lenka Kovačovičová | 12.70 | 12.18 | 24.88 | |
| 23 | Maty Diop | 12.69 | 12.25 | 24.94 | |
| 24 | Charlotte Afriat | 13.00 | 12.44 | 25.44 | |
| 25 | Nora Ķigure | 13.14 | 12.46 | 25.60 | |
| 26 | Danneika Lyn | 13.15 | 12.71 | 25.86 | |
| 27 | Edzinadia Ceita | 13.45 | 12.85 | 26.30 | |
| 28 | Marwa Alajooz | 13.60 | 13.18 | 26.78 | |
| 29 | Érica Mouwangui | 13.76 | 13.21 | 26.97 | |
| 30 | Jarencia Jeffers | 13.83 | 13.29 | 27.12 | |
| 31 | Melanie Ribauw | 14.05 | 13.47 | 27.52 | |
| 32 | Famata Darame | 14.02 | 13.81 | 27.83 | |
| 33 | Princess Dunah | 14.37 | 13.67 | 28.04 | |
| 34 | Raghad Habib Bu Arish | 14.68 | 13.69 | 28.37 | |
| 35 | Jein Kiden Clement Morgan | 14.84 | 13.84 | 28.68 | |
| 36 | Kanisleen Peter Michael | 14.71 | 14.09 | 28.80 | |
| 37 | Darina McDermott | 14.87 | 14.19 | 29.06 | |
| 38 | Nuha Ahmed Ali Al-Ahdal | 18.37 | 17.56 | 35.93 | |
| Adriana Almeida | 12.89 | ||||
| Youssouf Said Moina Rouzouna | 14.58 | ||||
| Nazi Yari | 17.43 | ||||
| Aminetou Fall | 18.02 |